<#-- 这里定义了在模板中可以使用的变量  -->
<#assign ctxPath = "${request.getContextPath()}">
<script type="text/javascript">
	var ctxPath = "${ctxPath }";
</script>
<link href="${ctxPath}/css/demo.css" rel="stylesheet" type="text/css" />
<script src="${ctxPath}/js/jquery/boot.js" type="text/javascript"></script>